… channel estimation error, we assume that ^Hn and 2 E are given a priori, through, for example,
channel estimation in a separate background channel… tween channel estimation accuracy …

… channel estimation at the relay node. In Section III and Section IV, we derive the optimal power
allocation … detection AESNR and to minimize the estimation MSE at both source terminals, …

… We propose combining channel estimation and optimal power allocation approaches for a
… -square channel estimation approach, derive the performance bound of the estimator, and …

… of optimally allocating the power for the channel estimation and … problem for general channel
estimation and beamforming … the channels are estimated based on a least square channel …

… , we derive the optimum power allocation rules to maximize the average … power allocation
providing SNR gains up to 5.5 dB depending on the relay location and deployed power …

… square error (MMSE) MIMO channel estimator, closed-form ex… Then, we present a novel
power allocation algorithm for … achieved by the proposed powerallocation algorithm with that of …

… over the transmit antennas that explicitly accounts for the imperfect MIMO channel estimates
… proposed power allocation algorithm on errors possibly introduced by the feedback channel…

… We observe that the channel estimation performance improves when N, increases, SNR …
power allocation results in higher channel capacity compared to uniform power allocation (…

… an optimum power allocation strategy for the maximum likelihood based channel estimation
in … The corresponding channel estimation error, the Chernoff’s upper bound on the detection …

We here focus on the optimized design and performance of Rayleigh-faded multiple-antenna
multiple-input-multiple-output systems when both transmitter and receiver share imperfect (…